About Hollis

We bring engineering experience to the industry, designing the highest quality diving equipment available. Built to accommodate the beginning sport diver to the exploratory technical diver, using the most cutting edge materials and proven technologies for any condition.

Hollis is proud to announce the much anticipated release of the Explorer Rebreather’s Version 2 Electronics System. Now shipping on all new Explorer’s and available to all Explorer Version 1 divers with a special discounted trade-in option available. Full details here.

“With its lustrous chrome finish, braided hose and sleek design details, the 100LX looks like a more expensive reg than it is. It dives the same way, earning top scores in its category for ease of breathing..." Read the full review here.

Matthew Addison began diving rebreathers in 1996 with Steam Machines shortly after Peter Readey moved his operation to California. Matthew travelled extensively diving his Prism Topaz and shooting photographs, television specials and promotionals for the Cousteau Group, DSAT and various dive magazines, and teaching divers the Prism Topaz for Steam Machines.